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2210012012020 = 225269594098839
BaseRepresentation
bin100000001010001110111…
…110110001110111110100
321211021102112111102222111
4200022032332301313310
5242202101033341040
64411133203140404
7315445105103341
oct40121676616764
97737375442874
102210012012020
1178229619088a
122b8394674704
13130531bb82c7
1478d7253d7c8
153c74a3d3dea
hex2028efb1df4

2210012012020 has 24 divisors (see below), whose sum is σ = 4641198508800. Its totient is φ = 883971798432.

The previous prime is 2210012011993. The next prime is 2210012012029. The reversal of 2210012012020 is 202102100122.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210012012029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1510240 + ... + 2588599.

It is an arithmetic number, because the mean of its divisors is an integer number (193383271200).

Almost surely, 22210012012020 is an apocalyptic number.

2210012012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2210012012020 is an abundant number, since it is smaller than the sum of its proper divisors (2431186496780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2210012012020 is a wasteful number, since it uses less digits than its factorization.

2210012012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4125807 (or 4125805 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2210012012020 its reverse (202102100122), we get a palindrome (2412114112142).

The spelling of 2210012012020 in words is "two trillion, two hundred ten billion, twelve million, twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 26959 53918 107836 134795 269590 539180 4098839 8197678 16395356 20494195 40988390 81976780 110500600601 221001201202 442002402404 552503003005 1105006006010 2210012012020